Why are there two aluminum 12" pitch props available from yamaha? (10.625 and 11.375)

mmurray70

Seaman Apprentice
Joined
Jun 13, 2010
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Why are there two aluminum 12" pitch props available from yamaha? (10.625 and 11.375)

Just wondering why there are two different diameter 12" pitch props availabled from yamaha? I always though the diameter stayed somewhat similer and you just selected whatever pitch you need.

Anybody have any reccomendations about what prop for a 2005 F60 on a 19" fiberglass boat, hull is about 1200lbs.
 
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